NGK Spark Plugs is the largest original equipment supplier of Platinum Spark Plugs in the world. Companies like Acura, Lexus, Rolls Royce, Nissan and Toyota all specify NGK Platinum Spark Plugs as standard equipment. But NGK doesn't just offer Platinum Spark Plugs for import applications. In fact, NGK produce a Platinum Spark Plug for almost every domestic car and truck sold in America. NGK Platinum Spark Plugs are available for everything from small block Chevy to big block Chryslers and everythng in between...sport utilities, SPORTS cars, light pick-ups and luxury cars. Today, most auto manufacturers have recognized the advantages of using a Platinum Spark Plug and all of the domestic auto manufacturers have also begun to specify Platinum Plugs as original equipment. Platinum Spark Plugs last much longer than conventional spark plugs and perform more consistently over the course of their service life. However, not all Platinum Plugs are created equal. Many competitor's Platinum Plugs are priced at one to two dollars...now how much Platinum do you think is in one of these spark plugs? NGK uses a large amount of Platinum in our spark plugs. In addition, NGK utilizes a fine-wire Platinum configuration to help lower the amount of voltage necessary to start the combustion process (since it is easier to push voltage through a thin wire than a thick wire. Simply put, your engine won't have to work as hard...it'll start more easily in even the coldest weather and give better throttle response and reduced emissions. Please call us or visit www.ngksparkplugs.com for specific vehicle application.